An efficient technique based on the HAM with Green's function for a class of nonlocal elliptic boundary value problems

Document Type : Research Paper


Department of Mathematics, Birla Institute of Technology Mesra, Ranchi-835215, India.


In this paper, we propose an efficient technique-based optimal homotopy analysis method with Green’s function technique for the approximate solutions of nonlocal elliptic boundary value problems. We first transform the nonlocal boundary value problems into the equivalent integral equations. We then apply the optimal homotopy analysis method for the approximate solution of the considered problems. Several examples are considered to compare the results with the existing technique. The numerical results confirm the reliability of the present method as it tackles such nonlocal problems without any limiting assumptions. We also provide the convergence and the error estimation of the proposed method.


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Volume 9, Issue 3
July 2021
Pages 722-735
  • Receive Date: 29 March 2019
  • Revise Date: 29 March 2020
  • Accept Date: 02 April 2020
  • First Publish Date: 01 July 2021